Reduction of ambient reflection using the matrix pencil method in the measurement of the complex antenna factor

A method of measuring the complex antenna factor (CAF) using the matrix pencil method is presented. The transmission coefficient measured between two antennas placed in an anechoic chamber is processed using the matrix pencil method to reduce the reflected wave component. As a result, the process using the complex antenna method is more effective than that using the gating in the time domain for reduction of ambient reflection in the measurement of the CAF.